check-electrum.sh

#!/bin/bash

DURATION=$(</dev/stdin)
if (($DURATION <= 5000 )); then
    exit 60
else
    echo '{"jsonrpc": "2.0", "method": "server.version", "params": ["", "1.4"], "id": 0}' | netcat -w 1 127.0.0.1 50001 &>/dev/null
    RES=$?
    if test "$RES" != 0; then
        echo "Electrum interface is unreachable" >&2
        exit 1
    fi
fi